Home / 19,419.54-26,803.88-11,464.32

Finding the Fourth Proportional to 19,419.54, 26,803.88 and 11,464.32

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Solution

The fourth proportional to 19,419.54, 26,803.88 and 11,464.32 is: 15,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.54 : 26,803.88 = 11,464.32 : x
  2. Step 2: Convert to fraction form
    19,419.54/26,803.88 = 11,464.32/x
  3. Step 3: Cross multiply
    19,419.54x = 26,803.88 × 11,464.32
  4. Step 4: Simplify right side
    19,419.54x = 307,288,257.56
  5. Step 5: Solve for x
    x = 307,288,257.56/19,419.54
  6. Step 6: Final answer
    x = 15,823.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.